Implying you can control or induce these hyperfixations in a productive way is disingenuous at best, measurably harmful at worst.
If you work in a job that can use use the chaos in a productive way that's great, but I'm willing to bet you still face abnormally high difficulty with general life tasks, and consistently struggle to enforce a work/life balance.
You're not helping people with ADHD by posting this. You're establishing an unattainable standard for people that are already doing everything in their power just to get by.